Our brains have obviously evolved to work in Earth’s gravity. Experiments on the International Space Station suggest that our brains have an internal model of how gravity works that we use to accurately predict where a ball will be when we move to catch it. In a weightless environment, the ball moves at a constant …
As a species, humans actually show remarkably little genetic diversity. The DNA of two unrelated people only differs by about one in every 1,000 base pairs; orangutans differ by more than double this amount. Even so, there are three billion base pairs in the human genome, so that’s an average of three million genetic differences …
Could Two People Who Aren’t Twins Have The Same DNA? Read More »
To make computers learn, we use software that simulates neurons connected in networks like in a brain. These networks are trained with data until they can learn patterns or make predictions about what data might come next. Methods like these help computers understand speech or recognise car number plates, so in this respect computers can …
When we’re up high, the lack of nearby visual anchors makes our bodies sway automatically – this contributes to the dizzying sensation of vertigo. But most people aren’t afraid of heights, not in the sense of having ‘acrophobia’, which is when the mere thought of falling can bring on a panic attack. The rest of …
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